Window period. Aussie policy.
Jun 13, 2006
Hi Dr Bob. Just thought I'd share this with your readers. This is the current policy from ANCARD (Australian National Council of AIDs and Related Diseases). The passage below was taken from the 'Clinical Screening and Case Detection' section.
Where there is reasonable concern about the risk of HIV infection, a patient with a negative test result should be retested one to three months after exposure or a specific event, and retested if there are clinical signs or symptoms. The seroconversion window period ranges from two to six weeks after infection (Schreiber et al., 1996). To identify very early infection, p24 antigen or nucleic acid amplification testing may be carried out.
I found another officaial Aussie site that also suggested that when using current testing methods, one month is adeqaute to allow for detectable antibody production. I see that your 'New York Health Department' site also concedes that one month is ample time in almost all cases of seroconversion. Hope this helps ease the minds of some WW's out there.
Response from Dr. Frascino
Thanks for the information!
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